body{
    flex-direction: column;  
}

.header{
    height: 44px;
    line-height: 44px;
    text-align: center;
}
.main{
    flex: 1;
    background: url(../img/advertisement-bg.jpg) center;
    background-size: cover;
}
.skip{
    width: 105px;
    height: 40px;
    background-color: #fff;
    padding: 10px;
    box-sizing: border-box;
    border-radius: 20px 20px 20px 20px;
    text-align: center;
    border: 1px solid rgba(187, 187, 187, 100);
    top:30px;
    right:20px;
    .seconds{
        padding: 0 5px;
        
    }
    .skip-btn{
       
        height: 20px;
        padding: 0 10px;
        border-left: 1px solid #BBBBBB;
    }
}


.slogan{
    width: 100%;
    bottom: 10%;
    text-align: center;
    height: 64px;
    font-weight: 900;
    color: rgba(255, 255, 255, 100);
    
}